1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2015 Intel Corporation.
*
* Thanks to Adafruit for supplying a google translated version of the
* Chinese datasheet and some clues in their code.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include <string>
#include <iostream>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <termios.h>
#include <sys/time.h>
#include <sys/select.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <mraa/uart.h>
#define HM11_DEFAULT_UART 0
namespace upm {
/**
* @brief HM-11 Bluetooth 4.0 Low Energy Module library
* @defgroup hm11 libupm-hm11
* @ingroup seeed uart wifi
*/
/**
* @library hm11
* @sensor hm11
* @comname HM-11 Bluetooth Low Energy
* @altname Grove BLE
* @altid HM-10, HM-12
* @type wifi
* @man seeed
* @con uart
* @web http://www.seeedstudio.com/wiki/images/c/cd/Bluetooth4_en.pdf
*
* @brief API for the HM-11 4.0 Bluetooth Low Energy Module
*
* The driver was tested with the Grove BLE module. It's an HM-11
* BLE 4.0 module based on a TI CC2541 chip. It operates using a
* standard 'AT' command set. See the datasheet for a full list
* of available commands and their possible responses:
*
* http://www.seeedstudio.com/wiki/images/c/cd/Bluetooth4_en.pdf
*
* It is connected via a UART at 9,600 baud.
*
* @image html hm11.jpg
* @snippet hm11.cxx Interesting
*/
class HM11 {
public:
/**
* HM11 object constructor
*
* @param uart Default UART to use (0 or 1)
*/
HM11(int uart);
/**
* HM11 object destructor
*/
~HM11();
/**
* Checks to see if there is data available for reading
*
* @param millis Number of milliseconds to wait; 0 means no waiting
* @return True if there is data available for reading
*/
bool dataAvailable(unsigned int millis);
/**
* Reads any available data into a user-supplied buffer. Note: the
* call blocks until data is available for reading. Use
* dataAvailable() to determine whether there is data available
* beforehand, to avoid blocking.
*
* @param buffer Buffer to hold the data read
* @param len Length of the buffer
* @return Number of bytes read
*/
int readData(char *buffer, int len);
/**
* Writes the data in the buffer to the device
*
* @param buffer Buffer to hold the data read
* @param len Length of the buffer
* @return Number of bytes written
*/
int writeData(char *buffer, int len);
/**
* Sets up proper tty I/O modes and the baud rate. For this device, the default
* baud rate is 9,600 (B9600).
*
* @param baud Desired baud rate.
* @return True if successful
*/
bool setupTty(speed_t baud=B9600);
protected:
int ttyFd() { return m_ttyFd; };
private:
mraa_uart_context m_uart;
int m_ttyFd;
};
}
|
